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Sequences and Series question

2025 · 23 Jan · Shift 1 · Q41
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  5. /2025 · 23 Jan · Shift 1 · Q41

Sequences and Series question

2025 · 23 Jan · Shift 1 · Q41

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
If the first term of an A.P. is 3 and the sum of its first four terms is equal to one-fifth of the sum of the next four terms, then the sum of the first 20 terms is equal to
  1. A
    −120-120−120
  2. B
    −1200-1200−1200
  3. C
    −1080-1080−1080
  4. D
    −1020-1020−1020
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